[PATCH] powerpc: fix spider-pic affinity setting

As noticed by Milton Miller, setting the initial affinity in
spider-pic can go wrong if the target node field was not orinally
empty.

Signed-off-by: Arnd Bergmann <[email protected]>

--- linus-2.6.orig/arch/powerpc/platforms/cell/spider-pic.c
+++ linus-2.6/arch/powerpc/platforms/cell/spider-pic.c
@@ -88,7 +88,7 @@ static void spider_enable_irq(unsigned i
 	void __iomem *cfg = spider_get_irq_config(irq);
 	irq = spider_get_nr(irq);
 
-	out_be32(cfg, in_be32(cfg) | 0x3107000eu | nodeid);
+	out_be32(cfg, (in_be32(cfg) & ~0xf0)| 0x3107000eu | nodeid);
 	out_be32(cfg + 4, in_be32(cfg + 4) | 0x00020000u | irq);
 }
 
-
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---

• References:
  • [patch 00/13] Cell kernel updates
    • From: Arnd Bergmann <[email protected]>
  • Re: [patch 06/13] powerpc: cell interrupt controller updates
    • From: Milton Miller <[email protected]>
  • Re: [patch 06/13] powerpc: cell interrupt controller updates
    • From: Arnd Bergmann <[email protected]>

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